Applied Sciences,
Journal Year:
2022,
Volume and Issue:
12(24), P. 12806 - 12806
Published: Dec. 13, 2022
The
goal
of
this
study
is
to
analyze
how
levels
air
pollution
changed
between
countries
with
their
restriction
policy
lockdown
cope
the
COVID-19
pandemic.
design
compares
average
changes
CO,
NO2,
SO2,
O3,
PM2.5
and
PM10
concentrations
based
on
measurements
at
ground
level
in
January,
February,
March
for
years
2019,
2020,
2021,
2022
(during
pandemic
crisis)
values
a
2015–2018
baseline
period
(ex-ante
pandemic)
300
cities
19
five
geoeconomic
regions.
Results
reveal
that
maximum
reduction
pollutant
given
by:
CO
(−4367.5%)
France,
NO2
(−150.5%)
China
Australia,
SO2
(−154.1%)
Israel,
O3
(−94.1%)
China,
(−41.4%)
Germany,
(−157.4%)
Turkey.
Findings
show
effects
policies
quality
vary
significantly
countries,
depending
different
geographical,
economic,
industrial
social
characteristics
countries.
These
results
clarify
critical
relationship
control
measures
crises
can
support
best
practices
environmental
pathways
sustainable
development.
Case Studies in Thermal Engineering,
Journal Year:
2023,
Volume and Issue:
45, P. 102959 - 102959
Published: April 7, 2023
This
study
examines
the
potential
of
using
nanofluids
in
solar
thermal
energy
systems.
Nanofluids
are
known
to
exhibit
high
convection
heat
transfer
coefficients,
low
specific
heat,
and
density,
making
them
ideal
for
improving
performance
However,
this
computational
investigates
application
Cattaneo-Christov
flux
on
cylindrical
surfaces
carbon
nanotube
(CNT)
hybrid
nanofluids,
use
a
solar-powered
ship.
The
work
utilizes
numerical
simulations
analyze
fluid
flow
characteristics
nanofluids.
research
single-walled
multi-walled
nanotubes
(SWCNT
MWCNT)
engine
oil
(EO)
as
working
fluid.
Galerkin
weighted
residual
method
(GWRM)
is
utilized
solve
ordinary
differential
equations
(ODEs)
governing
system.
impact
various
parameters,
such
flux,
radiation,
nonlinear
stretching
surface,
slippery
velocity,
porous
media
velocity
equation,
entropy
generation
investigated
elaborated
through
detailed
plots.
findings
show
that
MWCNT-SWCNT/EO
nanofluid
(HNF)
exhibits
maximum
efficiency
around
2.4%,
while
minimum
at
2.7%.
provides
valuable
insights
into
design
optimization
systems
sustainable
transportation.
Energies,
Journal Year:
2023,
Volume and Issue:
16(4), P. 1626 - 1626
Published: Feb. 6, 2023
Energy
is
one
of
the
most
important
aspects
urban
development
and
technological
advancements.
As
its
production
consumption
are
connected
to
several
environmental,
social,
economic
issues
covering
all
three
sustainability
pillars,
strategic
targeted
energy
planning
vital
smooth
transition
towards
a
more
efficient
greener
society.
In
accordance
with
specific
priorities
every
state,
sustainable
should
also
satisfy
international
trends,
requirements,
targets,
including
global
commitments
for
development.
this
time,
further
deployment
renewable
efficiency
improvement
future.
However,
due
recent
events,
new
situation
has
been
established.
The
COVID-19
pandemic
ongoing
war
in
Ukraine
have
caused
circumstances
challenging
recognized
approaches
an
effective
strategy.
While
led
temporary
reduction
use
created
habits
savings,
security
issues,
especially
Europe,
increase
prices.
Moreover,
both
questioned
implementation
green
strategies
policies
initiated
poverty.
framework,
perspectives
criteria,
on
which
relevant
research
could
lean,
investigated
discussed.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
22, P. 102291 - 102291
Published: May 23, 2024
This
paper
proposes
a
GSCND
that
combines
environmental,
energy,
and
economic
sustainability
aspects
of
the
crisis.
Global
SCs
have
been
disrupted
by
epidemic,
underlining
need
for
GSCND.
Environmental
energy
issues
are
closely
linked
to
SC
systems.
By
examining
available
total
costs,
integrated
models
aim
ensure
profitability
investments
effective
use
in
An
example
quantitatively
illustrates
ability
proposed
model
reduce
costs
public
consumption.
The
enables
several
improvements
reducing
cost
variables
during
weighted
Tchebycheff
method
is
used
optimize
mathematical
modeling.
network
allows
maximizing
consumption
while
cost.
special
thing
about
this
research
it
analyzes
COVID-19
epidemic
simultaneously
from
an
financial
perspective.
Expert Systems with Applications,
Journal Year:
2024,
Volume and Issue:
249, P. 123498 - 123498
Published: Feb. 19, 2024
Due
to
energy's
global
reliance
on
fossil
fuels
and
population
growth,
GHG
emissions
their
repercussions
have
attracted
attention.
cheaper
cost
cleaner
environment,
renewable
energy
modes
of
transportation
like
electric
vehicles
are
highly
sought
after.
Electric
beneficial,
but
they
also
emit
indirectly
in
power
plants
that
generate
electricity,
which
could
affect
small
medium
communities.
Thus,
it
is
crucial
assess
such
transportation's
performance
while
considering
key
aspects
criteria.
However,
scholarly
works
this
field
not
fully
addressed
the
deployment
a
comprehensive
vehicle
decision-making
support
system.
This
study
addresses
bus
selection
by
introducing
novel
approach
Multi-Criteria
Decision-Making
(MCDM)
utilizing
developed
integrated
fuzzy
set.
We
introduce
an
combines
Entropy
weighting
with
2-tuple
Linguistic
T-Spherical
Fuzzy
Decision
Opinion
Score
Method
(2TLTS-FDOSM).
designed
tackle
challenges
associated
evaluating
feasibility
models
(EBMs)
addressing
theoretical
challenge
MCDM
context
presented
case
study.
These
include
dealing
ambiguities
inconsistencies
among
decision-makers.
The
former
method
utilized
ascertain
significance
assessment
criteria,
whereas
latter
applied
select
most
favorable
EBM
weights
obtained.
As
for
2TLTS-FDOSM
results,
out
all
(n=6)
EBMs
considered,
A3
(11-E)
obtained
highest
score
value,
(9-E)
had
lowest
score.
robustness
results
confirmed
through
sensitivity
analysis.
Open Physics,
Journal Year:
2024,
Volume and Issue:
22(1)
Published: Jan. 1, 2024
Abstract
The
primary
heat
source
from
the
sunlight
is
solar
energy
(SE),
which
used
in
photovoltaic
(PV)
panels,
power
plates,
PV,
streetlights,
and
solar-based
hybrid
nanocomposites.
Currently,
research
focused
on
analyzing
improving
efficiency
of
SE,
particularly
for
powering
aircraft,
by
combining
with
nanotechnology
advancements.
As
such,
this
study
focuses
examining
concentrated
proposes
a
method
to
improve
performance
airplanes
employing
nanotechnology.
Furthermore,
work
based
investigation
flow
rate,
thermal
distribution,
entropy
generation
magnetized
tangent
hyperbolic
nanofluid
(HNF)
along
interior
parabolic
trough
collector
an
aircraft
wing.
This
utilizes
similarity
variables
simplify
partial
derivative
model
into
ordinary
differential
equations.
These
equations
are
then
solved
using
Galerkin
weighted
residual
approach
help
MATHEMATICA
11.3
software.
From
obtained
outcomes,
it
reflected
that
HNFs
have
high
conductivity
than
NF.
Intensification
Weissenberg
number
improves
airplane
wings
subjected
transmission.
Therefore,
contributes
improved
management
advanced
aircraft.
Deleted Journal,
Journal Year:
2024,
Volume and Issue:
6(7)
Published: June 18, 2024
Abstract
This
review
was
carried
out
on
removal
of
flue
gases
(CO
2
,
SO
and
H
S)
that
are
emitted
from
various
sources.
Burning
solid
fuels
for
heat,
such
as
natural
gas,
gasoline,
coal
or
biomass,
results
in
the
production
gas.
Adsorption
by
utilizing
Zeolites
properly
explained,
including
zeolite
synthesis
technique,
characteristics,
sensitivity,
variables
influence
adsorption
process,
efficiency,
cost-effectiveness.
have
a
notable
capability
CO
S,
despite
their
major
disadvantage
being
poor
long-term
durability
stability.
Remarkable
advancements
made
present-day
capture
methods,
especially
concerning
use
zeolites.
unique
materials
with
great
potential
collection
because
tiny
holes,
high
porosity,
structural
variety,
recyclability.
Since
atmospheric
concentrations
already
more
than
415
parts
per
million,
it
is
imperative
to
limit
future
releases
this
gas
keep
carbon
cycle.
The
elimination
majority
zeolites
shown
rise
temperatures
up
200
°C
subsequently
decrease
at
higher
temperatures.
It
also
uptake
breakthrough
time
significantly
affected
drying
using
microwave
traditional
heating
methods.
sorption
capacity
sorbent
regenerability
sensitive
presence
other
O
NOx,
water
vapor,
well
reaction
temperature.
must
possess
strong
sulfur
loading
capacity,
good
regenerability,
stable
structure
be
an
effective
adsorbent
S.
Regarding
utilization
adsorbents
gases,
new
developments,
continuing
difficulties
been
concluded
work.